3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
12 # This file implements tests for table-valued-functions implemented using
13 # eponymous virtual tables.
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 set testprefix tabfunc01
24 load_static_extension db series
25 load_static_extension db carray
26 load_static_extension db remember
28 do_execsql_test tabfunc01-1.1 {
29 SELECT *, '|' FROM generate_series WHERE start=1 AND stop=9 AND step=2;
30 } {1 | 3 | 5 | 7 | 9 |}
31 do_execsql_test tabfunc01-1.1b {
32 PRAGMA table_xinfo(generate_series);
33 } {0 value {} 0 {} 0 0 1 start {} 0 {} 0 1 2 stop {} 0 {} 0 1 3 step {} 0 {} 0 1}
34 do_execsql_test tabfunc01-1.2 {
35 SELECT *, '|' FROM generate_series(0) LIMIT 5;
36 } {0 | 1 | 2 | 3 | 4 |}
37 do_catchsql_test tabfunc01-1.2b {
38 SELECT *, '|' FROM generate_series LIMIT 5;
39 } {1 {first argument to "generate_series()" missing or unusable}}
40 do_catchsql_test tabfunc01-1.2c {
41 SELECT *, '|' FROM generate_series(value) LIMIT 5;
42 } {1 {first argument to "generate_series()" missing or unusable}}
43 do_catchsql_test tabfunc01-1.3 {
44 CREATE VIRTUAL TABLE t1 USING generate_series;
45 } {1 {no such module: generate_series}}
46 do_execsql_test tabfunc01-1.4 {
47 SELECT * FROM generate_series(1,9,2);
49 do_execsql_test tabfunc01-1.5 {
50 SELECT * FROM generate_series(1,9);
52 do_execsql_test tabfunc01-1.6 {
53 SELECT * FROM generate_series(1,10) WHERE step=3;
55 do_catchsql_test tabfunc01-1.7 {
56 SELECT * FROM generate_series(1,9,2,11);
57 } {1 {too many arguments on generate_series() - max 3}}
59 do_execsql_test tabfunc01-1.8 {
60 SELECT * FROM generate_series(0,32,5) ORDER BY rowid DESC;
61 } {30 25 20 15 10 5 0}
62 do_execsql_test tabfunc01-1.9 {
63 SELECT rowid, * FROM generate_series(0,32,5) ORDER BY value DESC;
64 } {1 30 2 25 3 20 4 15 5 10 6 5 7 0}
65 do_execsql_test tabfunc01-1.10 {
66 SELECT rowid, * FROM generate_series(0,32,5) ORDER BY +value DESC;
67 } {7 30 6 25 5 20 4 15 3 10 2 5 1 0}
69 do_execsql_test tabfunc01-1.20 {
70 CREATE VIEW v1(a,b) AS VALUES(1,2),(3,4);
73 do_catchsql_test tabfunc01-1.21.1 {
75 } {1 {'v1' is not a function}}
76 do_catchsql_test tabfunc01-1.21.2 {
78 } {1 {'v1' is not a function}}
79 do_execsql_test tabfunc01-1.22 {
80 CREATE VIEW v2(x) AS SELECT value FROM generate_series(1,5);
83 do_catchsql_test tabfunc01-1.23.1 {
85 } {1 {'v2' is not a function}}
86 do_catchsql_test tabfunc01-1.23.2 {
88 } {1 {'v2' is not a function}}
89 do_execsql_test tabfunc01-1.24 {
91 INSERT INTO t0(x) VALUES(123),(456),(789);
92 SELECT * FROM t0 ORDER BY x;
94 do_catchsql_test tabfunc01-1.25 {
95 SELECT * FROM t0(55) ORDER BY x;
96 } {1 {'t0' is not a function}}
97 do_catchsql_test tabfunc01-1.26 {
98 WITH w0 AS (SELECT * FROM t0)
99 INSERT INTO t0(x) SELECT * FROM w0()
100 } {1 {'w0' is not a function}}
102 do_execsql_test tabfunc01-2.1 {
104 INSERT INTO t1(x) VALUES(2),(3);
105 SELECT *, '|' FROM t1, generate_series(1,x) ORDER BY 1, 2
106 } {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}
107 do_execsql_test tabfunc01-2.2 {
108 SELECT *, '|' FROM (SELECT x FROM t1) AS y, generate_series(1,y.x)
110 } {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}
112 do_execsql_test tabfunc01-2.50 {
113 SELECT * FROM generate_series(0) LIMIT 5;
116 do_execsql_test tabfunc01-3.1 {
117 SELECT DISTINCT value FROM generate_series(1,x), t1 ORDER BY 1;
120 # Eponymous virtual table exists in all schemas.
122 do_execsql_test tabfunc01-4.1 {
123 SELECT * FROM main.generate_series(1,4)
125 do_execsql_test tabfunc01-4.2 {
126 SELECT * FROM temp.generate_series(1,4)
128 do_execsql_test tabfunc01-4.3 {
129 ATTACH ':memory:' AS aux1;
130 CREATE TABLE aux1.t1(a,b,c);
131 SELECT * FROM aux1.generate_series(1,4)
134 # 2018-12-03: Fix bug reported by by private email.
135 do_execsql_test tabfunc01-4.4 {
136 SELECT * FROM (generate_series(1,5,2)) AS x LIMIT 10;
139 # The next series of tests is verifying that virtual table are able
140 # to optimize the IN operator, even on terms that are not marked "omit".
141 # When the generate_series virtual table is compiled for the testfixture,
142 # the special -DSQLITE_SERIES_CONSTRAINT_VERIFY=1 option is used, which
143 # causes the xBestIndex method of generate_series to leave the
144 # sqlite3_index_constraint_usage.omit flag set to 0, which should cause
145 # the SQLite core to verify the start=, stop=, and step= constraints on
146 # each step of output. At one point, the IN operator could not be used
147 # by virtual tables unless omit was set.
149 do_execsql_test tabfunc01-500 {
150 SELECT * FROM generate_series WHERE start IN (1,7) AND stop=20 AND step=10
154 # Table-valued functions on the RHS of an IN operator
156 do_execsql_test tabfunc01-600 {
157 CREATE TABLE t600(a INTEGER PRIMARY KEY, b TEXT);
158 WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
159 INSERT INTO t600(a,b) SELECT x, printf('(%03d)',x) FROM c;
160 SELECT b FROM t600 WHERE a IN generate_series(2,52,10);
161 } {(002) (012) (022) (032) (042) (052)}
164 do_test tabfunc01-700 {
165 set PTR1 [intarray_addr 5 7 13 17 23]
167 SELECT b FROM t600, carray(inttoptr($PTR1),5) WHERE a=value;
169 } {(005) (007) (013) (017) (023)}
170 do_test tabfunc01-701 {
172 SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),5,'int32');
174 } {(005) (007) (013) (017) (023)}
175 do_test tabfunc01-702 {
177 SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),4,'int32');
179 } {(005) (007) (013) (017)}
180 do_catchsql_test tabfunc01-710 {
181 SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),5,'int33');
182 } {1 {unknown datatype: 'int33'}}
184 do_test tabfunc01-720 {
185 set PTR2 [int64array_addr 5 7 13 17 23]
187 SELECT b FROM t600, carray(inttoptr($PTR2),5,'int64') WHERE a=value;
189 } {(005) (007) (013) (017) (023)}
190 do_test tabfunc01-721 {
192 SELECT remember(123,inttoptr($PTR2));
193 SELECT value FROM carray(inttoptr($PTR2),5,'int64');
195 } {123 123 7 13 17 23}
196 do_test tabfunc01-722 {
197 set PTR3 [expr {$PTR2+16}]
199 SELECT remember(987,inttoptr($PTR3));
200 SELECT value FROM carray(inttoptr($PTR2),5,'int64');
202 } {987 123 7 987 17 23}
204 do_test tabfunc01-730 {
205 set PTR4 [doublearray_addr 5.0 7.0 13.0 17.0 23.0]
207 SELECT b FROM t600, carray(inttoptr($PTR4),5,'double') WHERE a=value;
209 } {(005) (007) (013) (017) (023)}
211 do_test tabfunc01-740 {
212 set PTR5 [textarray_addr x5 x7 x13 x17 x23]
214 SELECT b FROM t600, carray(inttoptr($PTR5),5,'char*')
215 WHERE a=trim(value,'x');
217 } {(005) (007) (013) (017) (023)}
219 do_test tabfunc01-750 {
221 SELECT aa.value, bb.value, '|'
222 FROM carray(inttoptr($PTR4),5,'double') AS aa
223 JOIN carray(inttoptr($PTR5),5,'char*') AS bb ON aa.rowid=bb.rowid;
225 } {5.0 x5 | 7.0 x7 | 13.0 x13 | 17.0 x17 | 23.0 x23 |}
227 # ticket https://www.sqlite.org/src/info/2ae0c599b735d59e
228 do_test tabfunc01-751 {
230 SELECT aa.value, bb.value, '|'
231 FROM carray(inttoptr($PTR4),5,'double') AS aa
232 LEFT JOIN carray(inttoptr($PTR5),5,'char*') AS bb ON aa.rowid=bb.rowid;
234 } {5.0 x5 | 7.0 x7 | 13.0 x13 | 17.0 x17 | 23.0 x23 |}
236 ifcapable altertable {
237 do_test tabfunc01-800 {
239 ALTER TABLE generate_series ADD COLUMN col2;
241 } {1 {virtual tables may not be altered}}
242 do_test tabfunc01-810 {
244 ALTER TABLE generate_series RENAME TO flubber;
246 } {1 {table generate_series may not be altered}}
247 do_test tabfunc01-820 {
249 ALTER TABLE generate_series RENAME start TO flubber;
251 } {1 {table generate_series may not be altered}}
252 do_test tabfunc01-830 {
254 ALTER TABLE generate_series DROP COLUMN start;
256 } {1 {table generate_series may not be altered}}
257 do_test tabfunc01-900 {
259 ALTER TABLE pragma_compile_options ADD COLUMN col2;
261 } {1 {virtual tables may not be altered}}
262 do_test tabfunc01-910 {
264 ALTER TABLE pragma_compile_options RENAME TO flubber;
266 } {1 {table pragma_compile_options may not be altered}}
267 do_test tabfunc01-920 {
269 ALTER TABLE pragma_compile_options RENAME start TO flubber;
271 } {1 {table pragma_compile_options may not be altered}}
272 do_test tabfunc01-930 {
274 ALTER TABLE pragma_compile_options DROP COLUMN start;
276 } {1 {table pragma_compile_options may not be altered}}
280 # Free up memory allocations